The Wikipedia article on delay-line memory has a section on radar delay-lines and some references to go off of: https://en.m.wikipedia.org/wiki/Delay-line_memor

The Wikipedia article on delay-line memory has a section on radar delay-lines and some references to go off of: https://en.m.wikipedia.org/wiki/Delay-line_memory https://en.m.wikipedia.org/wiki/Delay-line_memory